Home / 945,622.64-1,304,957.76-515,902.62

Finding the Fourth Proportional to 945,622.64, 1,304,957.76 and 515,902.62

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Solution

The fourth proportional to 945,622.64, 1,304,957.76 and 515,902.62 is: 711,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,622.64 : 1,304,957.76 = 515,902.62 : x
  2. Step 2: Convert to fraction form
    945,622.64/1,304,957.76 = 515,902.62/x
  3. Step 3: Cross multiply
    945,622.64x = 1,304,957.76 × 515,902.62
  4. Step 4: Simplify right side
    945,622.64x = 673,231,127,373.33
  5. Step 5: Solve for x
    x = 673,231,127,373.33/945,622.64
  6. Step 6: Final answer
    x = 711,944.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.